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US 4,545,121 AGranted
Hand-held power tool with circular-disk-shaped tool
AssigneeRobert Bosch GmbH
InventorsGerhard Armbruster, Fritz Schadlich, Eberhard Seidel
Life of this patent
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Abstract
A hand-held power tool with a circular-disk-shaped tool mounted on an output shaft which extends normal to a drive shaft has a guiding part which surrounds the tool in an immovable position at its cutting side. The guiding part has a wall arranged for abutting against a workpiece and having a through slot for the tool, and a guiding edge extending parallel to a cutting direction of the tool, and the guiding part being movably guided in direction normal to the wall.
Claims11
A hand-held power tool, comprising a drive shaft;
- an output shaft extending angularly to said drive shaft;
- a circular-disk-shaped cutting tool element mounted on said output shaft and having an axis;
- and a guiding part surrounding said tool element in its immovable position at its cutting side, said guiding part having a wall arranged for abutting against a workpiece and having a through slot for said tool element, and a guiding edge which is formed as a further wall extending parallel to a cutting plane of said tool element and upwardly beyond said first-mentioned wall in direction away from a workpiece, said guiding part being movable guided in a direction normal to said wall and normal to said axis of said tool element.
A hand-held power tool, comprising a drive shaft;
- an output shaft extending angularly to said drive shaft;
- circular-disk-shaped cutting tool element mounted on said output shaft and having a part facing away from a workpiece;
- a protective housing which surrounds said part of said circular-disk-shaped tool element;
- and a guiding part surrounding in an immovable position said tool element at its cutting side, said guiding part having a wall arranged for abutting against a workpiece and having a through slot for said tool element, and a guiding edge extending parallel to a cutting direction of said tool element, said guiding part being movable guided in a direction normal to said wall, said guiding part having at least one lateral wall extending parallel to a guiding direction of said guiding part and arranged so that during penetration of the circular disc-shaped tool element into the workpiece it is inserted into the interior of said protective housing together with said circular disc-shaped tool element.
1 more element
Dependencies are inferred from the claim text.